61186840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 170553600

約数和(自身を除く): 109366760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 563, 572, 715, 760, 836, 988, 1045, 1126, 1144, 1235, 1430, 1672, 1976, 2090, 2252, 2470, 2717, 2815, 2860, 4180, 4504, 4940, 5434, 5630, 5720, 6193, 7319, 8360, 9880, 10697, 10868, 11260, 12386, 13585, 14638, 21394, 21736, 22520, 24772, 27170, 29276, 30965, 36595, 42788, 49544, 53485, 54340, 58552, 61930, 73190, 80509, 85576, 106970, 108680, 117667, 123860, 139061, 146380, 161018, 213940, 235334, 247720, 278122, 292760, 322036, 402545, 427880, 470668, 556244, 588335, 644072, 695305, 805090, 941336, 1112488, 1176670, 1390610, 1529671, 1610180, 2353340, 2781220, 3059342, 3220360, 4706680, 5562440, 6118684, 7648355, 12237368, 15296710, 30593420, 61186840]

約数ペア:

[(1, 61186840), (2, 30593420), (4, 15296710), (5, 12237368), (8, 7648355), (10, 6118684), (11, 5562440), (13, 4706680), (19, 3220360), (20, 3059342), (22, 2781220), (26, 2353340), (38, 1610180), (40, 1529671), (44, 1390610), (52, 1176670), (55, 1112488), (65, 941336), (76, 805090), (88, 695305), (95, 644072), (104, 588335), (110, 556244), (130, 470668), (143, 427880), (152, 402545), (190, 322036), (209, 292760), (220, 278122), (247, 247720), (260, 235334), (286, 213940), (380, 161018), (418, 146380), (440, 139061), (494, 123860), (520, 117667), (563, 108680), (572, 106970), (715, 85576), (760, 80509), (836, 73190), (988, 61930), (1045, 58552), (1126, 54340), (1144, 53485), (1235, 49544), (1430, 42788), (1672, 36595), (1976, 30965), (2090, 29276), (2252, 27170), (2470, 24772), (2717, 22520), (2815, 21736), (2860, 21394), (4180, 14638), (4504, 13585), (4940, 12386), (5434, 11260), (5630, 10868), (5720, 10697), (6193, 9880), (7319, 8360)]